The ability to publish (upload) your podcast recording from your iPhone depends on your network speed. If you are unable to publish due to speed issues, you can sync the draft from your iPhone app to your computer via iTunes.

1. Open iTunes. Make sure that you have the latest version.
2. Connect your device to your computer via USB cable.
3. Click on your device. After clicking on your device, tabs appear on the left side of the iTunes window under Settings.
4. Click File Sharing, find the Podbean app, find the folder "drafts", then scroll down and click on “Save to...” on the right side. 

After you click on “Save to...”, you can upload the draft in Media Manager -->Upload or FTP upload by referring to below links: